Vulnerabilities > CVE-2012-2113 - Numeric Errors vulnerability in Libtiff

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1498-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(59856);
  script_version("1.11");
  script_cvs_date("Date: 2019/09/19 12:54:28");

  script_cve_id("CVE-2012-2088", "CVE-2012-2113");
  script_bugtraq_id(54076, 54270);
  script_xref(name:"USN", value:"1498-1");

  script_name(english:"Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : tiff vulnerabilities (USN-1498-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that the TIFF library incorrectly handled certain
malformed TIFF images. If a user or automated system were tricked into
opening a specially crafted TIFF image, a remote attacker could crash
the application, leading to a denial of service, or possibly execute
arbitrary code with user privileges. (CVE-2012-2088)

It was discovered that the tiff2pdf utility incorrectly handled
certain malformed TIFF images. If a user or automated system were
tricked into opening a specially crafted TIFF image, a remote attacker
could crash the application, leading to a denial of service, or
possibly execute arbitrary code with user privileges. (CVE-2012-2113).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/1498-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected libtiff-tools and / or libtiff4 packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:8.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/07/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/07/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/07/06");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2012-2019 Canonical, Inc. / NASL script (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(8\.04|10\.04|11\.04|11\.10|12\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 8.04 / 10.04 / 11.04 / 11.10 / 12.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"8.04", pkgname:"libtiff-tools", pkgver:"3.8.2-7ubuntu3.12")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libtiff4", pkgver:"3.8.2-7ubuntu3.12")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libtiff-tools", pkgver:"3.9.2-2ubuntu0.9")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libtiff4", pkgver:"3.9.2-2ubuntu0.9")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"libtiff-tools", pkgver:"3.9.4-5ubuntu6.2")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"libtiff4", pkgver:"3.9.4-5ubuntu6.2")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libtiff-tools", pkgver:"3.9.5-1ubuntu1.2")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libtiff4", pkgver:"3.9.5-1ubuntu1.2")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libtiff-tools", pkgver:"3.9.5-2ubuntu1.1")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libtiff4", pkgver:"3.9.5-2ubuntu1.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libtiff-tools / libtiff4");
}